mattermost/services/cache/cache.go
Siyuan Liu c7f7bef9ec
move cache2 package to cache (#14921)
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
2020-07-18 13:31:06 +05:30

49 lines
1.6 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package cache
import (
"errors"
"time"
)
// ErrKeyNotFound is the error when the given key is not found
var ErrKeyNotFound = errors.New("key not found")
// Cache is a representation of a cache store that aims to replace cache.Cache
type Cache interface {
// Purge is used to completely clear the cache.
Purge() error
// Set adds the given key and value to the store without an expiry. If the key already exists,
// it will overwrite the previous value.
Set(key string, value interface{}) error
// SetWithDefaultExpiry adds the given key and value to the store with the default expiry. If
// the key already exists, it will overwrite the previoous value
SetWithDefaultExpiry(key string, value interface{}) error
// SetWithExpiry adds the given key and value to the cache with the given expiry. If the key
// already exists, it will overwrite the previoous value
SetWithExpiry(key string, value interface{}, ttl time.Duration) error
// Get the content stored in the cache for the given key, and decode it into the value interface.
// Return ErrKeyNotFound if the key is missing from the cache
Get(key string, value interface{}) error
// Remove deletes the value for a given key.
Remove(key string) error
// Keys returns a slice of the keys in the cache.
Keys() ([]string, error)
// Len returns the number of items in the cache.
Len() (int, error)
// GetInvalidateClusterEvent returns the cluster event configured when this cache was created.
GetInvalidateClusterEvent() string
// Name returns the name of the cache
Name() string
}